#ifndef __GPIO_H_
#define __GPIO_H_

#define     PIN_NULL    0x00
#define     PIN_LOW     0x01
#define     PIN_HIGH    0x02

struct rt_device_pin_status
{
    rt_uint16_t pin;
    rt_uint16_t status;
};

int lpc17xx_hw_pin_init(void);
#endif